I saw someone beat me to posting the first Professor Pyg. Darn. Here is my custom. I used the Black Mask as the base figure. He even came with the perfect accessories. I also used a bunch of apoxie sculpt to make him look fat. Enjoy.
Recipe:
Body: Black Mask
Head: Hugo Strange
Pig mask: Sculpt
Apron: Random cape cut and painted
Tie: Sculpt
Belly: Sculpt
Hair: Sculpt
Accessories: from Black Mask figure